Datasheet Details
| Part number | ML4827 |
|---|---|
| Manufacturer | Fairchild (now onsemi) |
| File Size | 136.95 KB |
| Description | Fault-Protected PFC and PWM Controller Combo |
| Datasheet |
 ML4827 Datasheet
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General Description
The ML4827 is a controller for power factor corrected, switched mode power supplies, that includes circuitry
Block Diagram
16 VEAO VFB 15 2.5V IAC 2 VRMS 4 ISENSE 3 RAMP 1 7 RAMP 2 8 8V VDC 6 VCC SS 5 DC ILIMIT 9 PULSE WIDTH MODULATOR 8V 50µA 1.25V
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1 IEAO 3.5kΩ IEA + 0.5V
Key Features
- Pin-compatible with industry-standard ML4824-1 TriFault Detect™ to conform to UL1950™ requirements Available in 50% or 74% max duty cycle versions Low total harmonic distortion Reduces ripple current in the storage capacitor between the PFC and PWM sections Average current, continuous boost leading edge PFC High efficiency trailing-edge PWM can be configured for current mode or voltage mod.